744005217450 has 72 divisors (see below), whose sum is σ = 2028121379424. Its totient is φ = 180364896800.

The previous prime is 744005217359. The next prime is 744005217469. The reversal of 744005217450 is 54712500447.

744005217450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 744005217399 and 744005217408.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20477862 + ... + 20514161.

It is an arithmetic number, because the mean of its divisors is an integer number (28168352492).

Almost surely, 2^744005217450 is an apocalyptic number.

744005217450 is an abundant number, since it is smaller than the sum of its proper divisors (1284116161974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

744005217450 is a wasteful number, since it uses less digits than its factorization.

744005217450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40992060 (or 40992044 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

Adding to 744005217450 its reverse (54712500447), we get a palindrome (798717717897).

The spelling of 744005217450 in words is "seven hundred forty-four billion, five million, two hundred seventeen thousand, four hundred fifty".